Compress Interleaved Bits Reverse Bit Spreading

#include <stdio.h>
#include <stdint.h>

uint8_t compress_bits(uint16_t val) {
        
    uint8_t compress,reverse;
    int i=0;
    
    for(int j=0;j<16;j=j+2)
    {
        compress|=((val>>j)&0x01)<<i;
        i++;
    }


    return compress;
    // Your logic here
    return 0;
}

int main() {
    uint16_t val;
    scanf("%hu", &val);

    uint8_t result = compress_bits(val);
    printf("%u", result);
    return 0;
}